Hukum Mimbar Justitia (JHMJ) - UNSUR

unsur 138Unsur 138: The Hypothetical Superheavy Element The periodic table is an ever-expanding scientific marvel, and one of the greatest pursuits in chemistry and physics isThe following table shows the atomic nuclei that are isotonic (same neutron number N = 81) and isobaric (same nucleon number A = 138) with Lanthanum-138. Naturally occurring isotopes